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Drought impacts on tree carbon sequestration and water use - evidence from intra-annual tree-ring characteristics
carbon sequestration extreme drought intrinsic water-use efficiency physiological drought point dendrometer quantitative wood anatomys table carbon isotopes xylogenesis
2023/11/20
The impact of climate extremes on forest ecosystems is poorly understood but important for predicting carbon and water cycle feedbacks to climate. Some knowledge gaps still remain regarding how drough...
Cherry Necrotic Rusty Mottle and Cherry Green Ring Mottle Viruses in Czech Cherry Germplasm
CNRMV CGRMV next-generation sequencing Prunus avium Prunus cerasus detection
2018/3/5
Using reverse transcription polymerase chain reaction, 160 sweet and sour cherry trees from a germplasm collection,
orchards, and wild trees in the Czech Republic were screened for the presence of Ch...
Effect of housing system on reproductive results in ring-necked pheasants (Phasianus colchicus L.)
gamebird keeping performance reproduction
2015/7/2
A comparative analysis of reproduction parameters and hatchability results of pheasants raised under two different housing systems (cages and aviaries) was performed. In the first system the pheasants...
Cholangiocarcinoma in a Ring-Necked Pheasant (Phasianus colchicus): a case report
cholangiocarcinoma pheasant histopathology immunohistochemistry
2015/4/16
A case of cholangiocarcinoma in a two-year-old Ring-Necked Pheasant (Phasianus colchicus) is reported. The liver was enlarged and numerous white foci were seen in the liver parenchyma. Histopathologic...
Detrending ability of several regression equations in tree-ring research: a case study based on tree-ring data of Norway spruce (Picea abies [L.])
radial increment growth functions empirical fitting tree-ring indices dendroclimatology
2015/3/27
The aim of this study was to investigate tree-ring width variability and to distinguish groups of trees with similar growth trends in order to study tree growth responses to various stand and site con...
Incidence of Prune dwarf virus and Prunus necrotic ring spot virus in orchards of sweet and sour cherry in the Czech Republic: Short communication
sweet cherry sour cherry Prune dwarf virus
2015/3/3
During 2006–2008 field surveys were carried out in the important cherry growing areas of the Czech Republic to assess the incidence of Prune dwarf virus and Prunus necrotic ring spot virus in commerci...
Detection of Cherry leaf roll virus and Strawberry latent ring spot virus by one-step RT-PCR
CLRV SLRSV RT-PCR Xiphinema diversicaudatum
2015/3/3
one-step reverse transcription-polymerase chain reaction (RT-PCR) protocol was developed and used for the detection of Cherry leaf roll virus (CLRV) and Strawberry latent ring spot virus (SLRSV). The ...
Disturbances in variation of the annual ring width of Norway spruce in the Polish Western Beskids Mountains
tree-ring ring width variation Norway spruce Polish Beskids Mountains
2015/2/6
Changes in radial increment of Norway spruce in 25 stands more than 100 years old were analysed. Stands were growing on sites of different exposure situated at 450–1,200 m above sea level in the Polis...
Variation of the tree ring micro-hardness demonstrated on spruce wood
wood tree ring micro-hardness penetration strength
2015/2/2
Micro-hardness was used for the study of wood structure (Norway spruce) in the line perpendicular to tree rings (radial surface). The steel indentor 0.25 mm in diameter with flat head was used for thi...
Sensitivity and specificity of monoclonal antibody Mn-Cs1 for detection and determination of Clavibacter michiganensis subsp. sepedonicus, the causal agent of bacterial ring rot of potato
bacterial ring rot of potato Clavibacter michiganensis subsp sepedonicus DAS-ELISA
2015/1/28
Monoclonal antibody Mn-Cs1 with a high level of sensitivity and specificity for detection and determination of Clavibacter michiganensis subsp. sepedonicus was prepared. Strain C. m. subsp. sepedonicu...
Results of the Czech National Ring Tests of disease resistance in wheat
Czech Republic diseases and pests resistance genes resistance sources Triticum aestivum L.
2014/2/25
In this contribution actual results of the Czech national ring tests of disease resistance in wheat are presented that are performed at 3? locations each year. Special attention was paid to possibilit...
Genetic Variation and Genotype-environment Interaction in Annual Ring Structure in Progeny Test of Plus Trees of Sakhalin Fir (Abies sachalinensis)
annual ring structure genotype-environment interaction heritability x-ray densitometry
2009/8/24
For improving the wood properties of Sakhalin fir (Abies sachalinensis) variation in annual ring structure and genetic variation in different environments were examined by X-ray densitometry. The spec...
Effects of Halogen Introduction at the C5 Position of the Imidacloprid Pyridine Ring upon Insecticidal Activity
neonicotinoid insecticide imidacloprid American cockroach insecticidal activity
2009/3/5
Following a recent report of unexpectedly high affinity of 5-azidoimidacloprid to insect nicotinic acetylcholine receptor, derivatives with four halogen atoms and cyano and nitro were prepared, and ...
Insecticidal activity of imidacloprid derivatives with an alkoxy group at the C5 position of the pyridine ring
neonicotinoid insecticide imidacloprid American cockroach insecticidal activity alkoxy-substituted pyridine
2009/3/5
Six derivatives of imidacloprid with an alkoxy group introduced at the fifth position on the pyridine ring were prepared. Minimal lethal doses in mol (MLDs) were determined in American cockroaches b...
Quantitative structure–activity relationships of imidacloprid and its analogs with substituents at the C5 position on the pyridine ring in the neuroblocking activity
imidacloprid analogs QSAR neuroblocking activity radioligand
2009/3/5
Two nerve activities of imidacloprid analogs with various substituents at the 5-position of the pyridine ring were measured: the conduction blockage in the excised central nerve cord of the American...